Migrating virtual machines from Hyper-V to Proxmox VE can seem complex, particularly for organizations managing multiple VMs or critical workloads. While Proxmox offers a wizard to simplify migrations from VMware, Hyper-V VMs require manual configuration and careful preparation. By following a structured approach, including proper disk handling, driver installation, and VM setup, you can ensure a smooth transition with minimal downtime and full data integrity.
Preparing and Exporting Hyper-V VMs
Before migration, install VirtIO drivers and the QEMU Guest Agent on the source VM to optimize performance on Proxmox. Remove any snapshots and shut down the VM for a clean export.
Next, export the VM from Hyper-V and copy its VHD or VHDX files to the Proxmox host using a tool like WinSCP. Verify the integrity of transferred disks using the qemu-img check command to prevent issues later.
Creating and Configuring the Proxmox VM
Create a new VM in Proxmox, specifying OS type, CPU, memory, and network settings. Add a temporary disk to help install the necessary drivers. Convert the exported VHDX files to Proxmox’s QCOW2 format using qemu-img convert.
Attach the converted disk initially to the VM as IDE or SATA, boot the VM, and install the required drivers. Once the guest OS recognizes the SCSI controller, reattach the boot disk to SCSI for better performance. Finally, test the VM, remove temporary disks, and clean up old files.
Conclusion
A smooth migration depends on proper preparation, disk conversion, and correct controller setup. If you’re planning to transition your virtualization setup or streamline your infrastructure, check out the full step-by-step guide on migrating VMs from Hyper-V to Proxmox VE, packed with practical tips to ensure a seamless migration.
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